ICD-10-CM > S00-T88 > T20-T25 > T21 > T21.6 > T21.62 T21.62 Corrosion of second degree of abdominal wall Non-Billable/Non-Specific Applicable To Corrosion of second degree of flankCorrosion of second degree of groin Codes T21.62XA..., initial encounterT21.62XD..., subsequent encounterT21.62XS..., sequela